<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title></title>
    <script  type="text/javascript" src="/js/vue.js"></script>
</head>
<body>
    <div id="root">
        <div>
       <input v-model="inputValue" />
        <button @click="handleClick">提交</button>
        </div>
        <ul>
            <li v-for="(item ,index) of list" :key="index" >
                {{item}}
            </li>
        </ul>
    </div>
    <script>
        new Vue({
            el: "#root",
            data:{
                inputValue:'',
                list: []
            },
            methods:{
                handleClick:function(){
                    this.list.push(this.inputValue)
                    this.inputValue=''
                }
            }

        })
    </script>
</body>
</html>